Individuals of the earlier species had suffered from an almost insurmountable spiritual isolation from one another. Not even lovers, and scarcely even the geniuses with special insight into personality, ever had anything like accurate vision of one another. [T]he most precious gift that a lover could bring to the beloved was not virginity but sexual experience. The union, it was felt, was the more pregnant the more each party could contribute from previous sexual and spiritual intimacy with others.